When check_api is used it can't find endpoint

Issue

• Checking the file /var/log/glance/glance_api.log shows a Traceback:

++ /usr/libexec/openstack-monitoring/checks/oschecks-check_glance_api --os-auth-url http://172.24.1.75:5000/v2.0 --os-username admin --os-password 51dae95b13a96532c11d4e73e05994d3dd1de792 --os-region-name regionOne --os-tenant-name admin
CRITICAL: Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/oschecks/utils.py", line 110, in safe_run
    method()
  File "/usr/lib/python2.7/site-packages/oschecks/glance.py", line 30, in _check_glance_api
    options, args, client = glance.setup()
  File "/usr/lib/python2.7/site-packages/oschecks/utils.py", line 171, in setup
    client = self.glance._get_versioned_client(api_version, options)
  File "/usr/lib/python2.7/site-packages/glanceclient/shell.py", line 539, in _get_versioned_client
    return glanceclient.Client(api_version, endpoint, **kwargs)
  File "/usr/lib/python2.7/site-packages/glanceclient/client.py", line 51, in Client
    endpoint, url_version = utils.strip_version(endpoint)
  File "/usr/lib/python2.7/site-packages/glanceclient/common/utils.py", line 401, in strip_version
    raise ValueError("Expected endpoint")
ValueError: Expected endpoint